(Q81507420)

1 reference

1RXS J124312.0+480843

1 reference

2MASSI J1243124+480838

1 reference

HS 1240+4824

1 reference

[BFE95] 133

1 reference

USNO-A2.0 1350-08155654

1 reference

GALEX 2686126740873417289

1 reference

RX J1243.2+4808

X-ray survey of the Large Magellanic Cloud by ROSAT

1 reference

SDSS J124312.52+480838.5

1 reference

[VV2000] J124312.4+480837

1 reference

[VV2003] J124312.4+480837

1 reference

[VV2006] J124312.4+480837

1 reference

[VV96] J124312.4+480838

A catalogue of quasars and active nuclei (7th Edition)

1 reference

[VV98] J124312.4+480837

1 reference

[ZEH2003] RX J1243.2+4808 1

The Hamburg/RASS Catalogue of optical identifications. Northern high-galactic latitude ROSAT Bright Source Catalogue X-ray sources

1 reference

2MASS J12431248+4808381

1 reference

[VV2010] J124312.4+480837

1 reference

SDSS J124312.52+480838.4

1 reference

SDSS J124312.51+480838.4

1 reference

LAMOST J124312.52+480838.5

1 reference

Gaia DR2 1543383033099172480

1 reference

0 references

0.700000

2 references

AGN from the ROSAT all-sky survey

Quasars in the 2MASS Second Incremental Data Release

0.7039

2 references

A strong redshift dependence of the broad absorption line quasar fraction

A catalog of quasar properties from the Baryon Oscillation Spectroscopic Survey

0.70342±0.00129

1 reference

The SDSS Photometric Catalog, Release 7

0.70345±0.00007

2 references

The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey

0.703776

2 references

Constraint on the time variation of the fine-structure constant with the SDSS-III/BOSS DR12 quasar sample

The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release

0.703776±0.000055

1 reference

The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release

declination component of proper motion

−0.235±0.114 milliarcsecond per year

1 reference

1±3 milliarcsecond per year

1 reference

DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission

right ascension component of proper motion

−0.239±0.101 milliarcsecond per year

1 reference

−1±3 milliarcsecond per year

1 reference

DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission

radial velocity

146,165±0 kilometre per second

1 reference

The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release

18.01

1 reference

A catalogue of quasars and active nuclei: 13th edition

16.37±0.095

J band

1 reference

The Sloan Digital Sky Survey quasar catalog. V. Seventh data release

16.064±0.148

H band

1 reference

The Sloan Digital Sky Survey quasar catalog. V. Seventh data release

15.277±0.147

K band

1 reference

The Sloan Digital Sky Survey quasar catalog. V. Seventh data release

17.81

V band

1 reference

A catalogue of quasars and active nuclei: 13th edition

18.044±0.012

u' band

1 reference

17.55±0.005

g' band

1 reference

17.488±0.006

r' band

1 reference

17.522±0.007

i' band

1 reference

17.41±0.013

z' band

1 reference

17.4174±0.0031

1 reference

1 reference

190.80218236414520 degree

1 reference

declination

48.14403448393980 degree

1 reference

effective temperature

7,750 kelvin

1 reference